The winning New York Win 4 numbers for September 10, 1999 were: evening 5-9-9-4.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Sep 10, 1999 | Evening | 5-9-9-4 | 27 | 9 |
| Sep 9, 1999 | Evening | 2-3-1-9 | 15 | 6 |
| Sep 8, 1999 | Evening | 4-2-2-7 | 15 | 6 |
| Sep 7, 1999 | Evening | 0-4-9-4 | 17 | 8 |
| Sep 6, 1999 | Evening | 8-7-7-1 | 23 | 5 |
| Sep 5, 1999 | Evening | 9-4-5-4 | 22 | 4 |
| Sep 4, 1999 | Evening | 0-7-7-2 | 16 | 7 |